Traumatic Injury and Depression Show Oxytocin Methylation Signal
A 2026 Generation Scotland study linked traumatic physical injury to diagnosis-stratified blood methylation differences in 4,308 people.1 The clearest recurrent-depression signal pointed toward oxytocin signaling and synaptic-plasticity pathways, but the result is still exploratory pathway evidence rather than a blood test for depression or PTSD. Research Highlights Recurrent depression carried the strongest phenotype signal: traumatic …